This reminds me of the beacon of neglect. It must have been built at around the same time. It is in slightly better shape, but it looks like originally water flowed through the channel in the middle. However, the only water I have ever seen there is rain water.

Photos before 2010-02-11 were taken with a Nokia N95, photos between 2010-02-12 and 2010-12-20 with a Sony Ericssion Satio, photos after that with an HTC Desire HD. Photos on 2010-02-11 and 2011-02-01 were taken with two phones.